import Vue from 'vue'
import VueI18n from 'vue-i18n'
import Cookies from 'js-cookie'
import elementEnLocale from 'element-ui/lib/locale/lang/en' // element-ui lang
import elementZhLocale from 'element-ui/lib/locale/lang/zh-CN' // element-ui lang
import enLocale from './en'
import zhLocale from './zh'

Vue.use(VueI18n)

const messages = {
	en: {
		...enLocale,
		...elementEnLocale,
	},
	zh: {
		...zhLocale,
		...elementZhLocale,
	},
}
export function getLanguage() {
	const chooseLanguage = Cookies.get('language') || 'zh'
	if (chooseLanguage) return chooseLanguage
	console.log('chooseLanguage', chooseLanguage)

	// if has not choose language
	const language = (
		navigator.language || navigator.browserLanguage
	).toLowerCase()
	const locales = Object.keys(messages)
	for (const locale of locales) {
		if (language.indexOf(locale) > -1) {
			return locale
		}
	}
	return 'zh'
}
const i18n = new VueI18n({
	// set locale
	// options: en | zh | es
	locale: getLanguage(),
	messages,
})

export default i18n
